#3163BF#3163BF

#3163BF is a mid, vivid blue. Relative luminance 0.133; OKLCH L 51.6% C 0.154 H 261.3°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#3163BF
RGB	rgb(49, 99, 191)
HSL	hsl(219, 59%, 47%)
HSV	hsv(219, 74%, 75%)
CMYK	cmyk(74.3%, 48.2%, 0%, 25.1%)
CIE-LAB	lab(43.27, 15.52, -53.20)
CIE-LCH	lch(43.27, 55.41, 286.26°)
OKLab	oklab(51.6% -0.0233 -0.1527)
OKLCH	oklch(51.6% 0.155 261.3)
XYZ	xyz(15.1291, 13.3366, 51.0570)
Luminance	0.1334 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3163BF #BF8D31

analogous

#31AABF #3163BF #4631BF

triadic

#3163BF #BF3163 #63BF31

tetradic

#3163BF #BF31AA #BF8D31 #31BF46

square

#3163BF #BF31AA #BF8D31 #31BF46

split-complementary

#3163BF #BF4631 #AABF31

monochromatic

#18315E #254A8E #3163BF #5984D4 #8AA8E1

Accessibility & contrast

On white

5.73

#3163BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#3163BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3163BF

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3163BF	#FFFFFF	#000000	##FFFFFF
##3163BF	1.00	5.73	3.67	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#306DC2

Deuteranopia (green-blind)

#0060BD

Tritanopia (blue-blind)

#007988

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3163bf;
/* rgb */ color: rgb(49, 99, 191);
/* oklch */ color: oklch(51.6% 0.154 261.3);

Tailwind

colors: {
  custom: {
    50: '#7c8ed3',
    500: '#3163bf',
    950: '#000000',
  },
}

SCSS

$custom: #3163bf;
$custom-light: #7c8ed3;
$custom-dark: #000000;

JSON

{
  "hex": "#3163bf",
  "rgb": {
    "r": 49,
    "g": 99,
    "b": 191
  },
  "hsl": {
    "h": 218.873,
    "s": 59.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.51602,
    "c": 0.1545,
    "h": 261.3
  },
  "luminance": 0.13338
}

Semantic roles & 50–950 ramp

primary

#3163BF

secondary

#CBB181

accent

#AB45E2

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3163BF

Body copy rendered with the generated semantic roles for this colour.

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